/Engine/Source/Runtime/Engine/Public/Materials/MaterialRenderProxy.h
Returns theFMaterial, without using a fallback if theFMaterialdoesn't have a valid shader map. Can return NULL.
virtual const [FMaterial](API\Runtime\Engine\FMaterial) * GetMaterialNoFallback ( [ERHIFeatureLevel::Type](API\Runtime\RHI\ERHIFeatureLevel__Type) InFeatureLevel ) const